Geely EC718, EC718RV, EC715, EC715RV. Manual part — 71

No

Step 7

Repair ECM power supply circuit.

(a)

Repair ECM power supply circuit. Refer to

2.2.7.37

DTC

P0560 P0562 P0563

.

Fault solved?

Yes

System normal

No

Step 8

Replace ECM.

(a)

Connect scan tool.

(b)

Turn the ignition switch to "ON" position.

(c)

Scan ECM DTC codes, identify ECM fault. If necessary,
Replace ECM. Refer to

2.2.8.8

Engine Control Module

Replacement

.

(d)

Clear DTC code.

Next

Step 9

System normal.

2.2.7.45 Crankshaft rotates, but the engine can not start.

Note

Before carry out this step, make sure the engine oil is comply with the manufacturer requirements, the fuel tank has
sufficient fuel and battery has enough power for starting engine. Observe the scan tool data list, analyze the accuracy
of the data, as these will facilitate diagnostic.

Diagnostic Steps:

Step 1

Check fuel pump fuse.

EF05

1413 12 1110

5

1

2

3

4

6

7

8

9

J

L

K

I

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

1

2

5 3

86

87

30

1

1

2

5
3

2

5
3

85

EF01

EF21

EF18

EF25

EF20

EF29

EF06

EF02

EF30

EF17

EF19

EF23

EF22

EF26

EF24

EF08

EF27

EF28

EF05

EF07

EF16

EF04

EF03

EF15

EF12

EF10

EF1

1

EF09

EF13

EF14

EF32

EF31

FE02-5117b

(a)

Check whether the fuel pump fuse is faulty.

(b)

Repair fuel pump fuse power circuit.

(c)

If necessary, replace the faulty fuel pump fuse.

Fault solved?

Yes

System normal

Engine

Control System JL4G18-D

2-199

No

Step 2

Scan ECM for DTC codes.

(a)

Connect scan tool.

(b)

Turn the ignition switch to "ON" position.

(c)

Scan ECM for DTC codes.

(d)

Check DTC P0627 and any fuel system related DTC codes
and repair the faulty part. Refer to

2.2.7.11

DTC Code

Index

.

(e)

Clear ECM DTC codes.

Start the engine, fault solved?

Yes

System normal

No

Step 3

Check fuel pump relay.

(a)

Connect scan tool.

(b)

Turn the ignition switch to "ON" position.

(c)

Select scan tool "Fuel Pump Relay" in the "Action Test" to
drive the fuel pump relay.

Is fuel pump relay working properly?

Yes

Go to step 6

No

Step 4

Replace the fuel pump relay.

(a)

Refer to "Fuel System" in the

2.3.7.3

Fuel Pump Inoperative

.

(b)

Replace the fuel pump relay.

(c)

Inspect fuel pump relay circuits and repair the faulty part.

Start the engine, fault solved?

Yes

System normal

No

Step 5

Check the fuel pump circuit.

2-200

Control System JL4G18-D

Engine

1

2

3

4

Fuel Pump Harness Connector SO29

FE02-5119b

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect fuel pump harness connector SO29.

(c)

Connect scan tool.

(d)

Turn the ignition switch to "ON" position.

(e)

Select scan tool "Fuel Pump Relay" in the "Action Test" to
drive the fuel pump relay.

(f)

Connect SO29 terminal 3 and 4 with a test lamp.

Is test lamp lit properly?

Yes

Go to step 8

No

Step 6

Repair the fuel pump circuit.

1

2

3

4

Fuel Pump Harness Connector SO29

FE02-5120b

(a)

Turn the ignition switch to "ON" position.

(b)

Check the fuel pump working circuits. Repair the fuel pump
relay open circuit fault between SO29 terminal No.3 and No.
5.

Start the engine, fault solved?

Yes

System normal

No

Step 7

Check the fuel pressure.

(a)

Turn the ignition switch to "OFF" position.

(b)

Install fuel pressure gage and connect scan tool.

(c)

Turn the ignition switch to "ON" position.

(d)

On the scan tool, select scan tool "Fuel Pump Relay" in the
"Action Test" to drive the fuel pump relay.

Standard Fuel Pressure Value: 400 kPa

Is fuel pressure normal?

Yes

Go to step 9

No

Step 8

Replace the fuel pump.

(a)

Turn off the ignition switch and remove the ignition key.

Engine

Control System JL4G18-D

2-201

(b)

Replace fuel pump assembly. Refer to

2.3.8.3

Fuel Pump

Assembly Replacement

.

Start the engine, fault solved?

Yes

System normal

No

Step 9

Inspect (repair) fuel injectors.

(a)

Inspect (repair) fuel injectors. Refer to the DTC
code

2.2.7.24

DTC P0201 P0261 P0262

in the repair

procedures. If necessary, replace the faulty fuel injectors.

Start the engine, fault solved?

Yes

System normal

No

Step 10

Check the ignition coil.

(a)

Turn the ignition switch to "OFF" position.

(b)

Remove the cylinder ignition wire. Connect a new wire
connect the spark plug to a reliable ground.

(c)

Remove the fuel pump fuse.

(d)

Start the engine.

Is spark plug ignition normal?

Yes

Go to step 13

No

Step 11

Replace the ignition coil.

(a)

Turn off the ignition switch and remove the ignition key.

(b)

Replace the ignition coil. Refer to

2.10.8.3

Ignition Coil

Replacement

.

Start the engine, fault solved?

Yes

System normal

No

Step 12

Check crankshaft position sensor and circuit.

(a)

Check crankshaft position sensor. Refer to

2.2.7.29

DTC

P0321 P0322

.

(b)

Measure the crankshaft position sensor resistance with a
multimeter.

Standard Resistance: 870 Ω

(c)

Inspect the sensor circuit. Repair the faulty part. If necessary,
replace the crankshaft position sensor. Refer to

2.10.8.2

Crankshaft Position Sensor Replacement

.

Start the engine, fault solved?

2-202

Control System JL4G18-D

Engine